91integraLSVTEC

Hey guys can you have a look at my oil pressure? is this normal or should i be worried? the oil pressure seems to drop in vtec but picks back up when out of it??
Its a rebuild b16 with acl race bearings and endyn ported itr oil pump
https://www.youtube.com/watch?v=iWvj...ature=youtu.be

2kdrift

Holy **** how much boost are you running?

looks pretty normal there's a small dip but didn't dip much below 50 psi so Imo nothing to be worried about

Txdragon

Agreed.. Pressure will dip a little in VTEC, nothing here I'd get in a fuss over either.

turboLScrx

Aradin

Jesus lol. If that's a stock bottom end you better turn the boost down before you're picking up pieces off the road haha.

shipo

Keep in mind there is such a thing as too much oil pressure, and too much can do nearly as much damage as too little. What you need to be very sure about, especially in a boosted engine is oil flow (i.e. the volume of flow), something which is much harder to calibrate than simple pressure.

Txdragon

So then how would one measure the volume of flow while not taking pressure into consideration?

Balor_Gr

To my eyes its low.
Are you sure that gauge reads ok?

shipo

Think about it this way, if tolerances are loose you could be running say 30 psi at 3,000 rpms but still pumping say twelve liters per minute, however, if you have very tight tolerances you might be running say 55 psi at 3,000 rpms, but only pumping eight liters per minute. Said another way, pressure and volume are, for the most part, independent of one-another.

Txdragon

What I'm saying is that you can't figure what volume you're flowing without considering pressure; which you said shouldn't be considered OVER volume.

2kdrift

Agreed this is why u get a good pump (usually oem) and note what's normal for your setup and use a gauge to monitor the pressure

shipo

Yup, get a good pump, note the pressures at certain operating metrics, log them and consider them normal. If things change over time, then you have a problem. Long story short, don't get hung up about pressure.

Cupajoe

holy **** on the boost hahah bye bye engine.

Txdragon

bah, c'mon now.. Boost gauge only goes to 20. Could be running 30psi. Hardly worth batting an eye. What impresses me is how fast it builds. Lol!

2kdrift

Looks to be about 30 Depends on setup fuel used etc.....could be damn dangerous but hard to say without knowing other factors

91integraLSVTEC

Hey thanks for all the replies guys. I rarley post, but when I do it is because im unsure of something and that i could always rely on great memebers of H-T for help. Ive been losing sleep over this! Ive lost 2 engines already, 1 was from using a crappy tuner, cracked the sleeve from to much timing, second one melted piston ring lands ( please do not use nippon pistons for boost on 93 pump gas they are weaker than stock, however on e85 around 400whp they should hold) and finally this one is a CSS b16 with cp pistons 10.5 compression with scatt-er all over the floor rods with arp2000 rod bolts. It is tuned on 30 psi 93 pump gas. Ive read that these rods are good for 500whp so i dont plan on exceeding that.

So yesterday i did my first oil change on this setup. the break in oil i used and on video was castrol 5w-30. So i dropped the oil pan to check to see if there was any bearing material and sure enough i did see some! my magnetic oil drain plug had lots of metal filings on it. Is this normal to see so much metal shaving???

Cupajoe

Bearing material usually is not magnetic Some metal on freshly rebuilt engine on first oil change is normal. Why are you running such think oil.

TheShodan

iTrader: (14)

Not understanding how 5w-30 standard oil is "too thick".

Cupajoe

*such thin oil on a turbo car.

2kdrift

I wouldn't worry about shavings until after 500 miles unless it's excessive. Shavings are normal on fresh motors.

for oil I run 10w30 but if you live somewhere cold you may need something thinner.

what turbo u using 30 psi seems high there's more to worry about then the rods. Detonation usually is most stressful on sleeves and ringlands. Would be a lot safer on e85 then pump gas at that boost pressure

Balor_Gr

I find it strange tou had problems with the nippon pistons.
Were they the nippon racing turbo pistons from uyunira(or something) ?l

turboLScrx

91integraLSVTEC

I was running 5w30 motor oil for break in. right now it has 10w40 castrol. its about ready for the 3rd oil change in which i will be using shell rotella t6

i agree the plan is to go to e85 but i want to break in the motor on pump 93 octane first on this ebay turbo. when i go e85 i'll be using a much bigger turbo. im about the drop the oil pan for the 3rd time. if i still see flakes im pulling the motor



i was using b16 nippon pistons. maybe the turbo ls pistons are a bit stronger. i doubt it though.

thats pretty sick video


so when i dropped the oil pan a second time i shimmed the oil pump. i got a few bump in psi but i dunno. its ready for the 3rd oil change in which ill drop the oil pan again and if i see flakes im pulling the motor.


https://www.youtube.com/watch?v=2V_3ycJUNeQ&feature=youtu.be


update 9/25

dropped the oil pan and no bearing material, there was bearing material the first time i dropped the oil pan thats the reason for this thread about oil pressure. also torn open the oil filter, nothing in it. just alot of metal filings in the magnetic drain plug, so all seems to be well. thanks everybody!!